Myotomes and Dermatomes

Question 1

What is associated with with L4 Dermatome

Answer 1

MEDIAL LOWER LEG, TOP of foot, BIG TOE, Lateral thigh

Question 2

What is associated with L5 Dermatome

Answer 2

LATERAL lower leg, butt, POSTERIOR and LATERAL thigh, Dorsum of foot and bottom

Question 3

What is associated with S1 dermatome

Answer 3

PLANTAR and Lateral aspect of foot

Question 4

What is associated with S2 dermatome

Answer 4

Posterior leg, butt

Question 5

What myotome is associated with L4

Answer 5

Mainly Tib anterior, some extensor Hallucis

Question 6

What myotome is associated with L5

Answer 6

Mainly extensor hallucus, but also peroneals, glute medius, plantarflexors and HS

Question 7

Name muscles involved with S1

Answer 7

Mainly plantarflexors, peroneals, hamstrings, gluteals

Question 8

What is the difference for myotomes between S1 and S2

Answer 8

S2 doees not include peroneals

Question 9

C8

Answer 9

Finger flexors, thumb ext

Question 10

T1

Answer 10

Finger abduction

Question 11

C7

Answer 11

Finger extension with elbow extension, wrist flexion

Question 12

C8-T1 brachial plexus

Answer 12

Branches off into medial and posterior cord

Question 13

Supra scapular nerve and long thoracic nerves

Answer 13

Early C5-C6

Question 14

Median nerve recieves from

Answer 14

Lateral and medial cords

Question 15

Posterior cord leads to

Answer 15

posterior cord which leads to radial, axillar, and branches in thoracic region

Question 16

C7 leads to

Answer 16

Posterior and lateral cords

Question 17

Pec nerves come from

Answer 17

Lateral cord